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How Animal Migration Works
animals.howstuffworks.com/animal-facts/animal-migration.htm
Animal migration is crucial to the survival of that particular species of animal. Learn about animal migration and why animal migration is important.
How Human Migration Works
science.howstuffworks.com/life/evolution/human-migration.htm
Human migration is the idea that humans developed in Africa and then spread to Europe and Asia. Learn about human migration and how human migration works.
The Fish Doorbell Isn't a Joke ... Seriously
science.howstuffworks.com/environmental/conservation/fish-doorbell.htm
Imagine a doorbell — but for fish. In the Netherlands, this eco-friendly innovation is making waves. The fish doorbell, or "visdeurbel," is a clever system created in the city of Utrecht to help native freshwater fish migrate more freely through canals and locks during spawning season.
15 of the Largest Fish in Oceans, Lakes and Rivers
animals.howstuffworks.com/fish/largest-fish.htm
Exploring the vast waters of our planet reveals some of the most awe-inspiring (or terrifying!) giants of the aquatic world. From the immense depths of the ocean to sprawling lakes and winding rivers, the largest fish represent the most enormous extant species in their habitats.
The Snakehead Is a Snake Fish out of Water
animals.howstuffworks.com/snakes/snake-fish.htm
Today, we’re going to dive into the world of a perplexing and somewhat notorious creature: the snakehead, aka snake fish. These predatory fish are known for their long, snake-like bodies, aggressive hunting style, and ability to survive on land. What's more, they’re an invasive species in many parts of the world, including the United States.
Do Fish Get Thirsty?
animals.howstuffworks.com/fish/fish-get-thirsty.htm
They're swimming in water all day so how could they ever get thirsty? The answer might surprise you.
Can You Identify These Australian Fish?
play.howstuffworks.com/quiz/can-you-identify-these-australian-fish
In a land dominated by Tasmanian devils, kangaroos and the mighty platypus, you just know there's more than meets the eye under the water, too. Care to wade in and test your knowledge of the fish found in Australia?
10 of the Most Endangered Fish Species in Our Oceans
animals.howstuffworks.com/endangered-species/top-10-most-endangered-fish.htm
So what if one of these endangered fish ends up on your hook? The best policy is to release them back into the water, but not before making a few observations.
5 Little-known Facts About Fish
animals.howstuffworks.com/animal-facts/5-little-known-facts-about-fish.htm
A fish is a water-dwelling animal that breathes through gills and has a backbone, fins and a two-chambered heart.
Pouvez-vous identifier ces poissons d'eau douce à partir d'une image?
play.howstuffworks.com/quiz/can-you-identify-these-freshwater-fish-an-image-fr
Un peu moins de la moitié des 32000 espèces de poissons de notre planète vivent des lacs, rivières ou sources d'eau fraiche. Combien pouvez-vous en identifier?